Java Games:Flashcards, matching, concentration, and word search.
Buen Viaje 2 - 11 Imperativo irregular yo -Car, -Gar, -Zar Familiar and Formal Commands
Practice -car, -gar, -zar tú and Ud./Uds. commands - even though Buen Viaje doesn't have a specific quiz on this you will have it on your final - commands.